CN203641095U - Natural wind electric fan - Google Patents
Natural wind electric fan Download PDFInfo
- Publication number
- CN203641095U CN203641095U CN201320804049.3U CN201320804049U CN203641095U CN 203641095 U CN203641095 U CN 203641095U CN 201320804049 U CN201320804049 U CN 201320804049U CN 203641095 U CN203641095 U CN 203641095U
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- CN
- China
- Prior art keywords
- main shaft
- flabellum
- fan
- electric fan
- natural wind
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model belongs to an electric fan and particularly discloses a natural wind electric fan. The natural wind electric fan comprises a motor, a main shaft which extends from a front end of a motor, a fan blade fixing disc which is fixed at the front end of the main shaft, a stop nut which is installed at the tail end of the main shaft and a plurality of fan blades which are uniformly distributed on the peripheral surface of the fan blade fixing plate and is characterized by also comprises a cylinder-shaped worm which sleeves in the middle of the main shaft, a thrust bearing, a chuck plate and a spiral spring, a thrust plate which sleeves the thrust bearing side which is close to the motor, a worm gear frame which is fixed on a motor front end casing and a worm which is installed on the worm gear frame; the thrust bearing, the chuck plate and the spiral spring are forward arranged at the front end of the main shaft sequentially; one end of the section of every fan blade root portion is fixedly connected with a fan blade adjusting rod; the other end of the section of every blade root portion is provided with a fan blade flexible shaft; the other end of every fan blade flexible shaft is fixed on the fan blade fixing disc. According to the natural wind electric fan, the service life and safety of the motor of the electric fan are guaranteed under the condition that input voltage is not required to be changed.
Description
Technical field
The utility model relates to a kind of electric fan, is specifically related to a kind of electric fan of natural wind.
Background technique
At present, most of electric fans are only provided with fixing several wind-force gears, and minority electric fan can regularly change wind-force gear after adopting single-chip microcomputer or other control circuit, simulates wind-force and constantly changes natural wind.But because above-mentioned electric fan is to adopt constantly change input voltage to carry out natural wind simulating, can cause bad impact to the motor of electric fan, reduce working life and the Security of electric fan.
Model utility content
For above problem, the purpose of this utility model is to provide a kind of electric fan of natural wind, it is purely to adopt Der Grundsatz der Maschinen to make electric fan blow out the natural wind of continuous variation wind-force, and need not change input voltage, has ensured working life and the Security of the motor of electric fan.
For reaching above object, the utility model is achieved by the following technical solutions.
A kind of electric fan of natural wind, comprise motor, the main shaft stretching out from motor front end, be fixed on the fan leaf fixed disc of front-end of spindle, be arranged on the stop nut of main shaft end, be evenly distributed on the multiple flabellums on fan leaf fixed disc circumferential surface, it is characterized in that, also comprise the tubular worm screw that is sleeved on main shaft middle part, the thrust-bearing, chuck and the helical spring that arrange forward successively at front-end of spindle, be enclosed within the push-plate of thrust-bearing near motor one side, be fixed on the worm gear frame in motor front end shell, be arranged on the worm gear on worm gear frame; One end of described each flabellum root section is fixedly connected with a flabellum regulating lever, and the other end of each flabellum root section is provided with a flabellum movable axis, and the other end of each flabellum movable axis is fixed on fan leaf fixed disc; The circumferential surface of described chuck is provided with the deep trouth with flabellum regulating lever equal diameters width, and the free end of described each flabellum regulating lever stretches in described deep trouth; Described torsional spring is resisted against between fan leaf fixed disc and chuck; Between described push-plate and worm gear, be provided with the connecting rod of flexible connection; Described tubular worm and wheel engagement.
The feature of technique scheme and further improvement:
On the circumferential surface of described front-end of spindle, be provided with axial tangent plane, on the mounting hole of described chuck and fan leaf fixed disc and main shaft, tangent plane part matches.
Described helical spring natural length is less than the distance length between flabellum movable axis and flabellum regulating lever.
Described connecting rod is less than helical spring maximum compression length along the axial stroke of main shaft.
On described fan leaf fixed disc and chuck, be provided with for the restraining groove against helical spring end.
The beneficial effects of the utility model are, by flabellum movable axis is fixed on fan leaf fixed disc, flabellum regulating lever is stretched in the deep trouth on chuck, back and forth affect the distance between connecting rod dealing polyphony joint chuck and fan leaf fixed disc by the worm gear of rotation again, and then adjustment fan blade angles, thereby cause the wind-force of electric fan output constantly to change, simulate natural wind.Electric fan of natural wind of the present utility model need not change input voltage, has ensured working life and the Security of fan motor.
Brief description of the drawings
Below by the drawings and specific embodiments, the utility model is further detailed:
Fig. 1 is the overall structure schematic diagram of a kind of electric fan of natural wind of the present utility model;
Fig. 2 is the partial schematic diagram of a kind of electric fan of natural wind fan blade angles shifting mechanism of the present utility model;
Fig. 3 is a kind of electric fan of natural wind flabellum mounting structure schematic diagram of the present utility model.
In above figure: 1, motor; 2, worm gear frame; 3, main shaft; 4, worm gear; 5, tubular worm screw; 6, connecting rod; 7, push-plate; 8, thrust-bearing; 9, chuck; 10, flabellum; 11, flabellum movable axis; 12, helical spring; 13, fan leaf fixed disc; 14, stop nut; 15, flabellum regulating lever.
Embodiment
With reference to figure 1, a kind of electric fan of natural wind of the present utility model, its main shaft (3) stretches out from motor (1) front end, be fixed with fan leaf fixed disc (13) at main shaft (3) front end, at main shaft (3) end, stop nut (14) is installed, on fan leaf fixed disc (13) circumferential surface, is evenly distributed with multiple flabellums (10).Specifically, be set with tubular worm screw (5) at main shaft (3) middle part, be provided with forward successively thrust-bearing (8), chuck (9) and helical spring (12) at main shaft (3) front end.There is push-plate (7) at thrust-bearing (8) near motor (1) one side cover.In motor (1) front end shell, be fixed with worm gear frame (2), worm gear (4) is installed on worm gear frame (2).
With reference to figure 2, wherein, one end of each flabellum (10) root section is provided with a flabellum regulating lever (15), and the other end of each flabellum (10) root section is extended with respectively a flabellum movable axis (11).The other end of each flabellum movable axis (11) is fixed on the circumferential surface of fan leaf fixed disc (13).The circumferential surface of chuck (9) is provided with the deep trouth with flabellum regulating lever (15) equal diameters width, and the free end of each flabellum regulating lever (15) stretches in deep trouth.Torsional spring (12) is resisted against between fan leaf fixed disc (13) and chuck (9).Between push-plate (7) and worm gear (4), be provided with the connecting rod (6) of flexible connection.Tubular worm screw (5) engages with worm gear (4).
In order to allow electric fan of natural wind trouble-free operation of the present utility model, note also that, main shaft (3) front end is provided with axial tangent plane, and the upper tangent plane of the mounting hole of chuck (9) and fan leaf fixed disc (13) and main shaft (3) part matches.Like this, push-plate (7), along with thrust-bearing (8) rotates relative to main shaft (3), can also slide along main shaft (3).Chuck (9) and fan leaf fixed disc (13) can only slide along main shaft (3), must synchronize with main shaft (3) rotation.
In the time that the main shaft (3) of motor (1) rotates, the tubular worm screw (5) of the upper suit of main shaft (3) drives worm gear (4) slow circumvolve, worm gear (4) affects connecting rod (6) to move back and forth, connecting rod (6) reciprocating push-plate (7), thrust-bearing (8) and chuck (9), chuck (9) is carried flabellum regulating lever (15) motion secretly in moving back and forth vertically, make all flabellums (10) on fan leaf fixed disc (13) taking flabellum movable axis (11) separately as axis swing, in this process, flabellum (10) pectinid angle constantly changes, cause the wind-force that electric fan produces also constantly to change.Helical spring (12) between chuck (9) and fan leaf fixed disc (13) has played reset chuck (9) and has prevented the effect of fan leaf fixed disc (13) axial float.In order to prevent the radial-play of helical spring (12), on fan leaf fixed disc (13) and chuck (9), be provided with for the restraining groove against helical spring (12) end.
With reference to figure 3, in order to reduce the pressure on connecting rod (6), the natural length of helical spring (12) is less than the distance length between flabellum movable axis (11) and flabellum regulating lever (15).Connecting rod (6) is less than the maximum compression length of helical spring (12) along the axial stroke of main shaft (3).
Obviously, those skilled in the art can carry out various changes and modification and not depart from spirit and scope of the present utility model the utility model.Like this, if these amendments of the present utility model and within modification belongs to the scope of the utility model claim and equivalent technologies thereof, the utility model also comprises these changes and modification interior.
Claims (5)
1. an electric fan of natural wind, comprise motor (1), the main shaft (3) stretching out from motor (1) front end, be fixed on the fan leaf fixed disc (13) of main shaft (3) front end, be arranged on the stop nut (14) of main shaft (3) end, be evenly distributed on the multiple flabellums (10) on fan leaf fixed disc (13) circumferential surface, it is characterized in that, also comprise the tubular worm screw (5) that is sleeved on main shaft (3) middle part, the thrust-bearing (8) arranging forward successively at main shaft (3) front end, chuck (9) and helical spring (12), be enclosed within the push-plate (7) of thrust-bearing (8) near motor (1) one side, be fixed on the worm gear frame (2) in motor (1) front end shell, be arranged on the worm gear (4) on worm gear frame (2), one end of described each flabellum (10) root section is fixedly connected with a flabellum regulating lever (15), the other end of each flabellum (10) root section is provided with a flabellum movable axis (11), and the other end of each flabellum movable axis (11) is fixed on fan leaf fixed disc (13), the circumferential surface of described chuck (9) is provided with the deep trouth with flabellum regulating lever (15) equal diameters width, and the free end of described each flabellum regulating lever (15) stretches in described deep trouth, described helical spring (12) is resisted against between fan leaf fixed disc (13) and chuck (9), between described push-plate (7) and worm gear (4), be provided with the connecting rod (6) of flexible connection, described tubular worm screw (5) engages with worm gear (4).
2. a kind of electric fan of natural wind as claimed in claim 1, it is characterized in that, on the circumferential surface of described main shaft (3) front end, be provided with axial tangent plane, the upper tangent plane of the mounting hole of described chuck (9) and fan leaf fixed disc (13) and main shaft (3) part matches.
3. a kind of electric fan of natural wind as claimed in claim 1, is characterized in that, the natural length of described helical spring (12) is less than the distance length between flabellum movable axis (11) and flabellum regulating lever (15).
4. a kind of electric fan of natural wind as claimed in claim 1, is characterized in that, described connecting rod (6) is less than the maximum compression length of helical spring (12) along the axial stroke of main shaft (3).
5. a kind of electric fan of natural wind as claimed in claim 1, is characterized in that, on described fan leaf fixed disc (13) and chuck (9), is provided with for the restraining groove against helical spring (12) end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804049.3U CN203641095U (en) | 2013-12-06 | 2013-12-06 | Natural wind electric fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320804049.3U CN203641095U (en) | 2013-12-06 | 2013-12-06 | Natural wind electric fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203641095U true CN203641095U (en) | 2014-06-11 |
Family
ID=50872344
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320804049.3U Expired - Fee Related CN203641095U (en) | 2013-12-06 | 2013-12-06 | Natural wind electric fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203641095U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
-
2013
- 2013-12-06 CN CN201320804049.3U patent/CN203641095U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106016659A (en) * | 2016-07-06 | 2016-10-12 | 珠海格力电器股份有限公司 | Air guide mechanism and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |